Fix when installing PHP dependencies

.env

@@ -14,4 +14,4 @@ NGINX_HTTPS_IPV6_PORT=8843
 NGINX_CONTAINER_HTTP_PORT=80
 NGINX_CONTAINER_HTTPS_PORT=443
 
-PHP_VERSIONS= # Set this without quotes! example: 8.1 7.1 7.3
+PHP_VERSIONS=

multi-php-fpm/project/entrypoint/install-php-versions.sh

@@ -4,48 +4,75 @@ set -e
 export DEBIAN_FRONTEND=noninteractive
 export DEBCONF_NONINTERACTIVE_SEEN=true
 
+# Validate required variables
+if [ -z "${PHP_VERSIONS:-}" ]; then
+    echo "ERROR: PHP_VERSIONS environment variable is not set" >&2
+    exit 1
+fi
+
+if [ -z "${DEF_PHP_INTERPRETER:-}" ]; then
+    echo "ERROR: DEF_PHP_INTERPRETER environment variable is not set" >&2
+    exit 1
+fi
+
+# Verify package availability before installation
 apt-get update
 
+# Install each PHP version with validation
 for version in $PHP_VERSIONS; do
-    echo "Installing PHP $version..."
-    apt-get install -y \
-        php$version-fpm \
-        php$version-bcmath \
-        php$version-bz2 \
-        php$version-common \
-        php$version-curl \
-        php$version-dba \
-        php$version-enchant \
-        php$version-gd \
-        php$version-gmp \
-        php$version-http \
-        php$version-imap \
-        php$version-interbase \
-        php$version-intl \
-        php$version-ldap \
-        php$version-mbstring \
-        php$version-memcache \
-        php$version-memcached \
-        php$version-mysql \
-        php$version-odbc \
-        php$version-opcache \
-        php$version-pgsql \
-        php$version-ps \
-        php$version-pspell \
-        php$version-raphf \
-        php$version-readline \
-        php$version-snmp \
-        php$version-soap \
-        php$version-sqlite3 \
-        php$version-stomp \
-        php$version-sybase \
-        php$version-tidy \
-        php$version-xdebug \
-        php$version-xml \
-        php$version-xsl \
-        php$version-zip
+    # Validate version format (X.Y)
+    if ! echo "$version" | grep -Eq '^[0-9]+\.[0-9]+$'; then
+        echo "ERROR: Invalid PHP version format '$version'" >&2
+        exit 1
+    fi
+
+    echo "Installing PHP $version packages..."
+    if ! apt-get install -y \
+        php${version}-fpm \
+        php${version}-bcmath \
+        php${version}-bz2 \
+        php${version}-common \
+        php${version}-curl \
+        php${version}-dba \
+        php${version}-enchant \
+        php${version}-gd \
+        php${version}-gmp \
+        php${version}-http \
+        php${version}-imap \
+        php${version}-interbase \
+        php${version}-intl \
+        php${version}-ldap \
+        php${version}-mbstring \
+        php${version}-memcache \
+        php${version}-memcached \
+        php${version}-mysql \
+        php${version}-odbc \
+        php${version}-opcache \
+        php${version}-pgsql \
+        php${version}-ps \
+        php${version}-pspell \
+        php${version}-raphf \
+        php${version}-readline \
+        php${version}-snmp \
+        php${version}-soap \
+        php${version}-sqlite3 \
+        php${version}-stomp \
+        php${version}-sybase \
+        php${version}-tidy \
+        php${version}-xdebug \
+        php${version}-xml \
+        php${version}-xsl \
+        php${version}-zip; then
+        echo "ERROR: Failed to install PHP $version packages" >&2
+        exit 1
+    fi
 done
 
-update-alternatives --set php /usr/bin/php$DEF_PHP_INTERPRETER
+# Set default PHP version with validation
+if ! update-alternatives --set php "/usr/bin/php${DEF_PHP_INTERPRETER}"; then
+    echo "ERROR: Failed to set default PHP interpreter to $DEF_PHP_INTERPRETER" >&2
+    exit 1
+fi
 
-/bin/sh /entrypoint/start-php-fpm.sh
+# Start PHP-FPM services
+exec /bin/sh /entrypoint/start-php-fpm.sh